单词	Cycadales
释义	Cycadales plural noun Cy·​ca·​da·​les : an order of gymnospermous plants abundant in the Mesozoic but now reduced to a few localized and widely scattered tropical forms that have an unbranched trunk which is tall and arborescent or squat and tuberous with a large pith and starchy cortex and that bears a terminal crown of long pinnate leaves together with one or more very large cones see cycadaceae Word History Etymology New Latin, from Cycad-, Cycas + -ales
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